The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-031-8456, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-031-8456 |
| Primary Part Number | 2170656 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First End Taper Length | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Hole Arrangement Style | ONE END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Shank Length | 0.554 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material | STEEL COMP 416 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2170656 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5315-01-031-8456 is a Pin,shoulder,headless, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-031-8456 has 1 manufacturer part number on file: 2170656 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 2915-01-079-5324. Verify interchangeability with system specifications before substitution.
Key specifications for 2170656: Shank Diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; First End Taper Length: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN; First End Location: BOTH ENDS; Hole Arrangement Style: ONE END DRILLED. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.